/**
* 显示消息提示框
* @param content 提示的标题
*/
export function toast(content) {
  uni.showToast({
    icon: 'none',
    title: content
  })
}

/**
* 显示模态弹窗
* @param content 提示的标题
*/
export function showConfirm(content) {
  return new Promise((resolve, reject) => {
    uni.showModal({
      title: '提示',
      content: content,
      cancelText: '取消',
      confirmText: '确定',
      success: function(res) {
        resolve(res)
      }
    })
  })
}

/**
* 参数处理
* @param params 参数
*/
export function tansParams(params) {
  let result = ''
  for (const propName of Object.keys(params)) {
    const value = params[propName]
    var part = encodeURIComponent(propName) + "="
    if (value !== null && value !== "" && typeof (value) !== "undefined") {
      if (typeof value === 'object') {
        for (const key of Object.keys(value)) {
          if (value[key] !== null && value[key] !== "" && typeof (value[key]) !== 'undefined') {
            let params = propName + '[' + key + ']'
            var subPart = encodeURIComponent(params) + "="
            result += subPart + encodeURIComponent(value[key]) + "&"
          }
        }
      } else {
        result += part + encodeURIComponent(value) + "&"
      }
    }
  }
  return result
}

/**
 * 获取一个UUid
 * @param {Object} len uuid 长度
 * @param {Object} radix 基数
 */
export function getUUID(len, radix) {
	var chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ'.split('');
	var uuid = [], i;
	radix = radix || chars.length;
 
	if (len) {
	  for (i = 0; i < len; i++) uuid[i] = chars[0 | Math.random()*radix];
	} else {
	  var r;
 
	  uuid[8] = uuid[13] = uuid[18] = uuid[23] = '-';
	  uuid[14] = '4';
 
	  for (i = 0; i < 36; i++) {
		if (!uuid[i]) {
		  r = 0 | Math.random()*16;
		  uuid[i] = chars[(i == 19) ? (r & 0x3) | 0x8 : r];
		}
	  }
	}
 
	return uuid.join('');
}